Crosby J Series Balanced Diaphragm Gas Liquid Two Phase Fluid Safety Valve Direct Spring Pressure Relief Safety Valves

The Crosby J Series Direct Spring Safety Relief Valves are engineered to deliver reliable and versatile overpressure protection for a wide range of industrial applications, including air, gas, steam, vapor, liquid, and two-phase media. Backed by over 140 years of engineering expertise, these valves comply with ASME Section VIII, API 526/527, and PED/CE standards, ensuring global applicability. Featuring innovative technologies like Balanced Diaphragm and Bellows Leak Detection, the J Series offers enhanced backpressure handling, reduced emissions, and simplified maintenance, making it a proven solution for oil and gas, chemical processing, and power industries.

• Versatile Design: Suitable for air, gas, steam, vapor, liquid, and two-phase applications in one robust design.
• ASME/NB Certified: Meets ASME Section VIII, XIII, API 526/527, EN4126, and PED/CE standards for global compliance.
• Balanced Diaphragm Technology: 20% greater backpressure handling, 15% improved Kb factor, and 100x more resilient than metal bellows.
• Bellows Leak Detection: Instant notification of bellows rupture with over 90% reduction in leakage and real-time volumetric data.
• Interchangeable Parts: Reduces maintenance costs and downtime with modular components.
• Full Nozzle Configuration: Enhances durability and simplifies installation.
• Soft Seat Options: Provides superior seat tightness for minimal leakage.
• Adjustable Blowdown: Minimizes product loss during operation.
• Wired/Wireless Monitoring: Optional relief monitoring for enhanced safety and efficiency.

The Crosby J Series valves are optimized for a wide range of industrial applications:

• Oil and Gas: Protects upstream, midstream, and downstream processes from overpressure.
• Chemical Processing: Ensures safety in reactors, distillation columns, and waste gas systems.
• Power Generation: Safeguards steam and heat-transfer systems in power plants.
• Petrochemicals: Handles high-pressure refining and pipeline operations.
• Industrial Processes: Supports air, gas, vapor, and liquid systems in manufacturing.

The J Series is designed for air, gas, steam, vapor, liquid, and two-phase media, per ASME and API standards.

It offers 20% greater backpressure handling, 15% improved Kb factor, and enhanced durability compared to metal bellows.

It provides instant notification of bellows rupture, reduces leakage by over 90%, and offers real-time volumetric data.

Yes, they offer soft seat options, adjustable blowdown, and restricted lift for tailored performance.

Standard configurations are typically available in 2 weeks.

For more information about the Crosby J Series Safety Relief Valves, pricing, or to request a demo, contact our team:

• Email: edward.zhao@gongboshi.com
• Phone: +8615000725058
• Website: https://www.shgongboshi.com/contactus.html

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